705213438 has 16 divisors (see below), whose sum is σ = 1411862016. Its totient is φ = 234831960.

The previous prime is 705213433. The next prime is 705213449. The reversal of 705213438 is 834312507.

It is a junction number, because it is equal to n+sod(n) for n = 705213399 and 705213408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (705213433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53356 + ... + 65247.

It is an arithmetic number, because the mean of its divisors is an integer number (88241376).

Almost surely, 2^705213438 is an apocalyptic number.

705213438 is an abundant number, since it is smaller than the sum of its proper divisors (706648578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

705213438 is a wasteful number, since it uses less digits than its factorization.

705213438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119599.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 705213438 is about 26555.8550606076. The cubic root of 705213438 is about 890.1028530714.

The spelling of 705213438 in words is "seven hundred five million, two hundred thirteen thousand, four hundred thirty-eight".